Use the Section Performance window to view the performance model assigned to each road section as well as set section-specific performance models.

The Section Performance window contains two panes: the Sections (top) pane and the Graph (bottom) pane. It also contains two fields with drop-down lists:

  • Select Column: This field shows the condition attribute that will be graphed and what data will be used for regression.
  • Select Model: For the condition attribute selected in the Select Column field and for the road section selected in the Section pane, this field shows the model that generated the curves in the Graph pane.

The drop-down list in this field contains either one or two entries. When the road section uses the Default Model Structure performance model, then only that model appears in the drop-down list. When the road section uses a model assigned (in this window) specifically to this road section, then two models appear in this drop-down list: the section-specific model (the name for which starts with Section Model) and the model that would be assigned if the Default Model Structure was used (the name for which starts with Default Model).

Note: If a road section uses a section-specific model, then this model will be the model selected in the Select Model field and shown in the graph when this window first opens.

Sections Pane

The Sections pane in the upper part of the window lists all available road sections. When you select a section, its performance model is shown in the Graph pane (within the constraints applied by the selections in the Select Column and Select Model fields).

When you select a road section in the table, the system re-draws the graph to show the model associated with this road section and selected in the Select Model field. (The available models in the drop-down list for this field will also change to show what can be selected for the road section and condition attribute selected in the Select Column field.)

Graph Pane

The Graph pane shows the data and two deterioration curves for the currently selected road section, condition attribute, and performance model. The two deterioration curves both use the selected model. One curve is produced by applying the model from the year last rehabilitated. The other curve is produced by applying the model from the latest year's condition value.

Note: When you hold your mouse cursor over a point or line within the graph, the application displays a popup window showing the Index and Year values at that point.

When you right-click on a node in the hierarchy, the following special commands are available:

  • Analyze Model: After selecting this command, the system displays a new window in which you can perform regression analysis on the performance data that is pertinent to the currently selected condition attribute and road section. See the Analyze Model topic for more information.
  • Revert to Default Model: When you select this command, the section-specific model currently in use for the selected section is removed and replaced with the section's Default Model Structure model. This command is enabled when a section-specific model is active.
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